the niners will play the seahawks or the falcons next sunday. >>> but the real sports talker today is this new bombshell report about lance armstrong. "usa today" saying the cyclist will admit to doping in an interview tomorrow with oprah winfr winfrey. and, remember, armstrong has always denied using drugs. his admission could have serious consequences here. john sang joins me now from washington. good morning to you. you worked with armstrong when your health care pr firm teamed up with him between 1999 and 2005. you wrote an op-ed calling for lance to come clean. do you think armstrong will admit to doping and, if so, why now? >> well, i think, good morning to you, randi. i think it really remains to be seen whether he will admit to doping or how much more he'll elaborate in just the performance enhancements that he undertook during all his competitive period. >> in your op-ed. let me just read a little bit of it here. you said the following now, however, lance's cancer advocacy efforts sour me on the idea that we need big names to gain support for causes and diseases. perhaps it's